Could it have been this entry in my xchat-aqua config:
Scrollback lines: [ ]
I set it to 2000 now. We'll see how it goes at that.
could be
sbwoodside on 2003-02-11T18:48:12
the one time I've seen OS X seriously fail on my computer is when the system runs out of space for paging. usually accompanied by an alert dialog of the sort "please quit something quick". (I was testing a nasty bug in mozilla, when this happened). the characteristic was a gradual slowing of everything, apps starting to lock up, eventually unable to to even move windows around in aqua apps. grinding hard drive.